The Battle of Salamanca took place on July 22, 1812, during the Peninsular War. It was a significant conflict between the forces of the British Army, led by Duke of Wellington, and the French Army, commanded by Marshal Marmont. The battle resulted in a decisive victory for the British, which helped to weaken French control in Spain. This battle was notable for its strategic maneuvers and the effective use of artillery by the British. The victory at Salamanca boosted the morale of the Allied forces and marked a turning point in the war, leading to the eventual retreat of French troops from Spain.